Mobile, Ala. shipbuilder Austal USA has been awarded a $54,997,317 fixed-priced incentive (firm-target) contract modification for the construction of two additional Landing Craft Utility (LCU) 1700-class vessels for the U.S. Navy.Austal USA was awarded an initial contract for the construction of three LCU 1700-class vessels, with options for an additional nine vessels, in September 2023.